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      <a id="mirror"></a>
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      <a id="IndexMirror" class="indexterm"></a>
      <div class="refnamediv">
        <h2>
          <span class="refentrytitle">mirror</span>
        </h2>
        <p>mirror — 
      Reflects the signal that exceeds the low and high thresholds.
          </p>
      </div>
      <div class="refsect1">
        <a id="idp125511984"></a>
        <h2>Description</h2>
        <p>
      Reflects the signal that exceeds the low and high thresholds.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp125578480"></a>
        <h2>Syntax</h2>
        <pre class="synopsis">ares <span class="command"><strong>mirror</strong></span> asig, klow, khigh</pre>
        <pre class="synopsis">ires <span class="command"><strong>mirror</strong></span> isig, ilow, ihigh</pre>
        <pre class="synopsis">kres <span class="command"><strong>mirror</strong></span> ksig, klow, khigh</pre>
      </div>
      <div class="refsect1">
        <a id="idp125583504"></a>
        <h2>Initialization</h2>
        <p>
      <span class="emphasis"><em>isig</em></span> -- input signal
    </p>
        <p>
      <span class="emphasis"><em>ilow</em></span> -- low threshold
    </p>
        <p>
      <span class="emphasis"><em>ihigh</em></span> -- high threshold
    </p>
      </div>
      <div class="refsect1">
        <a id="idp125586800"></a>
        <h2>Performance</h2>
        <p>
      <span class="emphasis"><em>xsig</em></span> -- input signal
    </p>
        <p>
      <span class="emphasis"><em>klow</em></span> -- low threshold
    </p>
        <p>
      <span class="emphasis"><em>khigh</em></span> -- high threshold
    </p>
        <p>
      <span class="emphasis"><em>mirror</em></span> <span class="quote">“<span class="quote">reflects</span>”</span> the signal that exceeds the low and high thresholds.
    </p>
        <p>
      This opcode is useful in several situations, such as table indexing or for clipping and modeling a-rate, i-rate or k-rate signals.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp125591856"></a>
        <h2>Examples</h2>
        <p>
      Here is an example of the mirror opcode. It uses the file <a class="ulink" href="examples/mirror.csd" target="_top"><em class="citetitle">mirror.csd</em></a>.
      </p>
        <div class="example">
          <a id="idp125593712"></a>
          <p class="title">
            <strong>Example 515. Example of the mirror opcode.</strong>
          </p>
          <div class="example-contents">
            <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
            <pre class="programlisting">
<span class="csdtag">&lt;CsoundSynthesizer&gt;</span>
<span class="csdtag">&lt;CsOptions&gt;</span>
<span class="comment">; Select audio/midi flags here according to platform</span>
-odac    <span class="comment">;;;realtime audio out</span>
<span class="comment">;-iadc    ;;;uncomment -iadc if realtime audio input is needed too</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o mirror.wav -W  ;;; for file output any platform</span>
<span class="csdtag">&lt;/CsOptions&gt;</span>
<span class="csdtag">&lt;CsInstruments&gt;</span>

<span class="ohdr">sr</span> <span class="op">=</span> 44100 
<span class="ohdr">ksmps</span> <span class="op">=</span> 32 
<span class="ohdr">0dbfs</span>  <span class="op">=</span> 1 
<span class="ohdr">nchnls</span> <span class="op">=</span> 2

<span class="oblock">instr</span>    1 <span class="comment">; Limit / Mirror / Wrap</span>

igain    <span class="op">=</span> p4				<span class="comment">;gain</span>
ilevl1   <span class="op">=</span> p5				<span class="comment">; + level</span>
ilevl2   <span class="op">=</span> p6				<span class="comment">; - level</span>
imode    <span class="op">=</span> p7				<span class="comment">;1 = limit, 2 = mirror, 3 = wrap</span>

ain   <span class="opc">soundin</span>  "fox.wav"
ain   <span class="op">=</span> ain<span class="op">*</span>igain

<span class="octrl">if</span>    imode <span class="op">=</span> 1 <span class="octrl">goto</span> <span class="olabel">limit</span>
<span class="octrl">if</span>    imode <span class="op">=</span> 2 <span class="octrl">goto</span> <span class="olabel">mirror</span>

asig  <span class="opc">wrap</span>  ain, ilevl2, ilevl1
<span class="octrl">goto</span>  <span class="olabel">outsignal</span>

<span class="olabel">limit</span><span class="op">:</span>
asig  <span class="olabel">limit</span>  ain, ilevl2, ilevl1
<span class="octrl">goto</span>  <span class="olabel">outsignal</span>

<span class="olabel">mirror</span><span class="op">:</span>
asig  <span class="olabel">mirror</span>  ain, ilevl2, ilevl1
<span class="olabel">outsignal</span><span class="op">:</span>

<span class="opc">outs</span>  asig<span class="op">*</span>.5, asig<span class="op">*</span>.5			<span class="comment">;mind your speakers</span>
  
<span class="oblock">endin</span>

<span class="csdtag">&lt;/CsInstruments&gt;</span>
<span class="csdtag">&lt;CsScore&gt;</span>

<span class="comment">;           Gain  +Levl -Levl Mode</span>
<span class="stamnt">i</span>1  0  3    4.00  .25  -1.00   1	<span class="comment">;limit</span>
<span class="stamnt">i</span>1  4  3    4.00  .25  -1.00   2	<span class="comment">;mirror</span>
<span class="stamnt">i</span>1  8  3    4.00  .25  -1.00   3	<span class="comment">;wrap</span>
<span class="stamnt">e</span>
<span class="csdtag">&lt;/CsScore&gt;</span>
<span class="csdtag">&lt;/CsoundSynthesizer&gt;</span>
</pre>
          </div>
        </div>
        <p><br class="example-break" />
    </p>
      </div>
      <div class="refsect1">
        <a id="idp125598000"></a>
        <h2>See Also</h2>
        <p>
      <a class="link" href="limit.html" title="limit"><em class="citetitle">limit</em></a>,
      <a class="link" href="wrap.html" title="wrap"><em class="citetitle">wrap</em></a>
    </p>
      </div>
      <div class="refsect1">
        <a id="idp125601008"></a>
        <h2>Credits</h2>
        <p>
      </p>
        <table border="0" summary="Simple list" class="simplelist">
          <tr>
            <td>Author: Gabriel Maldonado</td>
          </tr>
          <tr>
            <td>Italy</td>
          </tr>
        </table>
        <p>
    </p>
        <p>New in Csound version 3.49</p>
      </div>
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